Academic and Teaching Staff

Dr LIU Yan Wang Dennis

Teaching Fellow

BSc, MPhil, PhD(CityU); MBCS


Applied Cryptography, Digital Signatures, Pedagogies for Cyber Security


Dr Liu is currently a Teaching Fellow in the Department of Computing at The Hong Kong Polytechnic University. Dr Liu received his BSc (1st Hons), MPhil, and PhD degrees in Computer Science from City University of Hong Kong (CityU) in 2005, 2007 and 2014 respectively.

Dr Liu has more than 10 years of experience working in the tertiary education sector and is experienced in teaching at the sub-degree, bachelor, and postgraduate levels for a variety of subjects, including programming, information security, software engineering, networking, multimedia and services science. Dr Liu has supervised a number of student live projects with industrial practitioners, including Hong Kong listed companies, technological start-ups and non-IT corporations. While working as a College Lecturer at the School of Professional and Continuing Education, University of Hong Kong (HKU SPACE), he was conferred the Outstanding Teacher Award 2011. Dr Liu became a Corda Certified Developer since 2018 and is experienced in providing training in Cyber Security/Blockchain/Distributed Ledger Technology (DLT).

Dr Liu is experienced in academic programme development, ranging from short courses to postgraduate programmes. Due to his familiarity with quality assurance of academic programmes, Dr Liu was involved in various accreditation exercises and is the External Examiner of a number of IT/CS programmes of HKU SPACE. Dr Liu is also engaged in funded teaching and learning projects to enhance cyber security education in the university.

Acting as the project investigator and technical consultant of a number of Blockchain/DLT industrial consultancy projects, Dr Liu is responsible for providing professional advices on the underlying cryptographic algorithms and protocols, as well as managing teams of engineers for the concrete implementations of crypto-libraries.